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svelte/test/js/samples/if-block-no-update/expected-bundle.js

281 lines
5.8 KiB

function noop() {}
function assign(target) {
var k,
source,
i = 1,
len = arguments.length;
for (; i < len; i++) {
source = arguments[i];
for (k in source) target[k] = source[k];
}
return target;
}
function appendNode(node, target) {
target.appendChild(node);
}
function insertNode(node, target, anchor) {
target.insertBefore(node, anchor);
}
function detachNode(node) {
node.parentNode.removeChild(node);
}
function createElement(name) {
return document.createElement(name);
}
function createText(data) {
return document.createTextNode(data);
}
function createComment() {
return document.createComment('');
}
function destroy(detach) {
this.destroy = noop;
this.fire('destroy');
this.set = this.get = noop;
if (detach !== false) this._fragment.unmount();
this._fragment.destroy();
this._fragment = this._state = null;
}
function differs(a, b) {
return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
}
function dispatchObservers(component, group, changed, newState, oldState) {
for (var key in group) {
if (!changed[key]) continue;
var newValue = newState[key];
var oldValue = oldState[key];
var callbacks = group[key];
if (!callbacks) continue;
for (var i = 0; i < callbacks.length; i += 1) {
var callback = callbacks[i];
if (callback.__calling) continue;
callback.__calling = true;
callback.call(component, newValue, oldValue);
callback.__calling = false;
}
}
}
function get(key) {
return key ? this._state[key] : this._state;
}
function fire(eventName, data) {
var handlers =
eventName in this._handlers && this._handlers[eventName].slice();
if (!handlers) return;
for (var i = 0; i < handlers.length; i += 1) {
handlers[i].call(this, data);
}
}
function observe(key, callback, options) {
var group = options && options.defer
? this._observers.post
: this._observers.pre;
(group[key] || (group[key] = [])).push(callback);
if (!options || options.init !== false) {
callback.__calling = true;
callback.call(this, this._state[key]);
callback.__calling = false;
}
return {
cancel: function() {
var index = group[key].indexOf(callback);
if (~index) group[key].splice(index, 1);
}
};
}
function on(eventName, handler) {
if (eventName === 'teardown') return this.on('destroy', handler);
var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
handlers.push(handler);
return {
cancel: function() {
var index = handlers.indexOf(handler);
if (~index) handlers.splice(index, 1);
}
};
}
function set(newState) {
this._set(assign({}, newState));
if (this._root._lock) return;
this._root._lock = true;
callAll(this._root._beforecreate);
callAll(this._root._oncreate);
callAll(this._root._aftercreate);
this._root._lock = false;
}
function _set(newState) {
var oldState = this._state,
changed = {},
dirty = false;
for (var key in newState) {
if (differs(newState[key], oldState[key])) changed[key] = dirty = true;
}
if (!dirty) return;
this._state = assign({}, oldState, newState);
this._recompute(changed, this._state, oldState, false);
if (this._bind) this._bind(changed, this._state);
dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
this._fragment.update(changed, this._state);
dispatchObservers(this, this._observers.post, changed, this._state, oldState);
}
function callAll(fns) {
while (fns && fns.length) fns.pop()();
}
var proto = {
destroy: destroy,
get: get,
fire: fire,
observe: observe,
on: on,
set: set,
teardown: destroy,
_recompute: noop,
_set: _set
};
function create_main_fragment ( state, component ) {
var if_block_anchor;
var current_block_type = select_block_type( state );
var if_block = current_block_type( state, component );
return {
create: function () {
if_block.create();
if_block_anchor = createComment();
},
mount: function ( target, anchor ) {
if_block.mount( target, anchor );
insertNode( if_block_anchor, target, anchor );
},
update: function ( changed, state ) {
if ( current_block_type !== ( current_block_type = select_block_type( state ) ) ) {
if_block.unmount();
if_block.destroy();
if_block = current_block_type( state, component );
if_block.create();
if_block.mount( if_block_anchor.parentNode, if_block_anchor );
}
},
unmount: function () {
if_block.unmount();
detachNode( if_block_anchor );
},
destroy: function () {
if_block.destroy();
}
};
}
function create_if_block ( state, component ) {
var p, text;
return {
create: function () {
p = createElement( 'p' );
text = createText( "foo!" );
},
mount: function ( target, anchor ) {
insertNode( p, target, anchor );
appendNode( text, p );
},
unmount: function () {
detachNode( p );
},
destroy: noop
};
}
function create_if_block_1 ( state, component ) {
var p, text;
return {
create: function () {
p = createElement( 'p' );
text = createText( "not foo!" );
},
mount: function ( target, anchor ) {
insertNode( p, target, anchor );
appendNode( text, p );
},
unmount: function () {
detachNode( p );
},
destroy: noop
};
}
function select_block_type ( state ) {
if ( state.foo ) return create_if_block;
return create_if_block_1;
}
function SvelteComponent ( options ) {
this.options = options;
this._state = options.data || {};
this._observers = {
pre: Object.create( null ),
post: Object.create( null )
};
this._handlers = Object.create( null );
this._root = options._root || this;
this._yield = options._yield;
this._bind = options._bind;
this._fragment = create_main_fragment( this._state, this );
if ( options.target ) {
this._fragment.create();
this._fragment.mount( options.target, options.anchor || null );
}
}
assign( SvelteComponent.prototype, proto );
export default SvelteComponent;